5-Amino-o-cresol

Other

62

Moderate

CAS Number: 2835-95-2

About 5-Amino-o-cresol

Amino-o-cresol is a cosmetic ingredient used in product formulations. Its specific function may vary between products. Exercise caution due to limited available safety data.

Detailed Analysis

5-Amino-o-cresol (4-amino-2-hydroxytoluene) is an amino phenol hair dye precursor used in oxidative hair dye systems. It is listed in EU Annex III of Regulation 1223/2009, restricting its maximum concentration and requiring specific warning statements. Like other oxidative hair dye precursors, it may form sensitizing oxidation products upon mixing with hydrogen peroxide, and IFRA has issued usage restrictions for this compound class in fragrance applications.

Skin Benefits

  • Hair dye precursor for oxidative coloration

Known Concerns

  • EU Annex III restrictions for hair dye use
  • Potential sensitization on oxidation
  • IFRA restrictions apply

Safety Score

62

Moderate

Based on EU regulatory data, published safety research, and ingredient function analysis.

References

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EU CosIng Database

European Commission cosmetic ingredient registry

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This information is for educational purposes only and does not constitute medical advice. Always consult a healthcare professional for skin concerns or allergies.